It is designed to hug a door or window from both sides to block drafts and retain room temperature
Double sided for maximum protection, easy to use
Advantage:Sound proof / Wind & Dust proof/ Cold Air proof/ Hot Air proof Light proof / Insect, Mildew and Fungus & Vermin proof /Fire Labeled
Perfect for using on interior or exterior doors and windows Wind,dust,blocking
Supplier: Door Weather Strip Draft Stopper